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Nichrome wire of cross-sectional radius 0.791 mm is to be used inwinding a heating coil. If the coil must carry a current of9.25 A when a voltage of 1.20x102 V is applied acroosits ends, find a) the required resistance of the coil and b) thelength of wire you must use to wind the coil.
After his trip to the U.S., Stephen Fry returns to the UK. To save money, he chose to fly into an airport that is 600 miles from his home, and drive his taxi from the airport to his house. His tank still holds 20 litres. His taxi is a super hybrid..
q1. a 238 g particle is released from rest at point a inside a smooth hemispherical bowl of radius 32.5 cm.compute the
A box full of books rests on a wooden floor. The normal force the floor exerts on the box is 236 N. (a) You push horizontally on the box with a force of 129 N, but it refuses to budge.
The driver of an 1800 {kg} car travelling on a horizontal road at 100 kmh suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0 percent of the weight o..
What is the force of friction exerted on the backpack by the table?
Nick is sitting in a swing thet has a rope attached to it. The rope then goes through a pulley attached to a tree above him, Find the contact normal force between Nick and the swing
A 0.20kg object is attached to a spring with spring constant k=10n/m and moves with a simple harmonic motion over a horizontal frictionless surface. At the instant it is displaced from equilibrium by -0.050m, what is it's acceleration.
A 9.4-kg watermelon (30 degrees)and a 7.8-kg pumpkin (53 degrees) attached to each other via a cord that wraps over a pulley, Find the accelerations of the pumpkin and the watermelon
A disk has a moment of inertia of 3.0x10-4 kgm2, and rotates with an angular speed of 3.5 rad/sec. What is the magnitude of the net torque must be applied to bring it to rest in 3.0 s?
A large tub rests at the edge of a table 1m high. The tub is full, and is 2m tall with an area of 1000cm^2. Determine the speed of the water as it leaves the side
Boxes are transported from one location to another in the ware-house by means of a conveyor belt that moves with a constant speed of 0.50m/s. At a certain location the conveyor belt moves for 2.00 m up an incline that makes an angle of 10° with the h..
A parallel-plate air-filled capacitor having area 50 cm2 and plate spacing 1.3 mm is charged to a potential difference of 710 V, find the energy density between the plates
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